Multiple vulnerabilities in 7-Zip

Published: 2024-07-03

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-52168 CVE-2023-52169
CWE-ID	CWE-122 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	7-Zip Client/Desktop applications / Software for archiving
Vendor	7-zip.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU93730

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-52168

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the NtfsHandler.cpp NTFS handler when processing archives. A remote attacker can trick the victim to open a specially crafted archive, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

7-Zip: 2.00 Beta 1 - 24.00

CPE2.3

External links

https://seclists.org/oss-sec/2024/q3/24
https://dfir.ru/2024/06/19/vulnerabilities-in-7-zip-and-ntfs3/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU93731

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-52169

CWE-ID: CWE-125 - Out-of-bounds read